select id, name from table group by name
select `NO`,`Key` from `99_math` WHERE `Key` LIKE '%三角函數%' group by `Key`
// 搜索不重複單元名稱 在給單元條件
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select id, name from table group by name
select `NO`,`Key` from `99_math` WHERE `Key` LIKE '%三角函數%' group by `Key`
// 搜索不重複單元名稱 在給單元條件
SELECT`NO` ,`Key` FROM`99_math` WHERE`Key`LIKE'%高一上%' GROUPBY`Key` ORDERBY CONVERT(`Key` USING big5 )ASC 中文排序~~!!